'Pitch Perfect' star Brittany Snow joins 'Crazy Ex-Girlfriend'

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'Crazy Ex-Girlfriend': Rachel Bloom On Her Vision For S2

"Pitch Perfect" star Brittany Snow is joining Season 2 of the CW's "Crazy Ex-Girlfriend" for three episodes, and series star Rachel Bloom is already singing about it.

No, really, she is.

Bloom took the liberty of writing Brittany Snow into a handful of classic songs in her announcement of the cast addition.

Snow will play a new character named Anna, described as a hip and cool LA chick and beauty entrepreneur who sweeps into town and shakes everything up for Bloom's Rebecca.

Anna will have a musical number in her time on the show.

The actress is best known for her role as Chloe opposite Anna Kendrick in the "Pitch Perfect" franchise, with the third installment recently announced.

"Crazy Ex-Girlfriend" moves to Fridays when Season 2 premieres on Oct. 21 at 9 p.m. ET on the CW.

RELATED: Brittany Snow through the years

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Actress Brittany Snow on set while filming a commercial to celebrate the launch of the new Lipton Sparkling Iced Tea citrus green tea flavor in Los Angeles. The full video can be viewed on Lipton’s YouTube page. (Casey Rogers for Lipton/Invision for Lipton.)
Brittany Snow poses for a photo at the 2013 MTV Movie Awards at Sony Studios on Sunday, April 14, 2013 in Los Angeles, Ca.(Photo by Scott Gries/Invision for MTV/AP Images)
WEST HOLLYWOOD, CA - FEBRUARY 22: Brittany Snow attends the Elton John AIDS Foundation's 23rd annual Academy Awards Viewing Party at The City of West Hollywood Park on February 22, 2015 in West Hollywood, California. (Photo by Karwai Tang/WireImage)
NEW YORK, NY - FEBRUARY 13: Actress Brittany Snow attends the Monique Lhuillier fashion show during Mercedes-Benz Fashion Week Fall 2015 at The Theatre at Lincoln Center on February 13, 2015 in New York City. (Photo by Desiree Navarro/WireImage)
NEW YORK, NY - FEBRUARY 12: Brittany Snow attends Prada The Iconoclasts, New York 2015 on February 12, 2015 in New York City. (Photo by Neilson Barnard/Getty Images For Prada)
WEST HOLLYWOOD, CA - JANUARY 13: Actress Brittany Snow attends ELLE's Annual Women in Television Celebration on January 13, 2015 at Sunset Tower in West Hollywood, California. Presented by Hearts on Fire and Olay. (Photo by Michael Kovac/Getty Images for Elle/Hearts On Fire)
PARK CITY, UT - JANUARY 23: Actress Brittany Snow attends the Lipton Sparkling Ice Tea Party hosted by Brittany Snow at Sparkling Iced Tea Lounge on January 23, 2015 in Park City, Utah. (Photo by Jonathan Leibson/Getty Images)
WEST HOLLYWOOD, CA - JANUARY 13: Actress Brittany Snow attends ELLE's Annual Women in Television Celebration on January 13, 2015 at Sunset Tower in West Hollywood, California. Presented by Hearts on Fire and Olay. (Photo by Stefanie Keenan/Getty Images for ELLE)
PALM SPRINGS, CA - APRIL 12: Brittany Snow attends the GUESS Hotel at the Viceroy Palm Springs on April 12, 2014 in Palm Springs, California. (Photo by Jerod Harris/Getty Images for GUESS)
NEW YORK, NY - SEPTEMBER 09: Actress Brittany Snow attends the Carolina Herrera fashion show during Mercedes-Benz Fashion Week Spring 2014 at The Theatre at Lincoln Center on September 9, 2013 in New York City. (Photo by Stephen Lovekin/Getty Images for Mercedes-Benz Fashion Week Spring 2014)
NEW YORK, NY - SEPTEMBER 08: Actress Brittany Snow attends the Lela Rose fashion show during Mercedes-Benz Fashion Week Spring 2014 at The Studio at Lincoln Center on September 8, 2013 in New York City. (Photo by Michael Loccisano/Getty Images for Mercedes-Benz Fashion Week Spring 2014)
NEW YORK, NY - SEPTEMBER 08: Actress Brittany Snow attends the Mercedes-Benz Star Lounge during Mercedes-Benz Fashion Week Spring 2014 on September 8, 2013 in New York City. (Photo by Mike Coppola/Getty Images for Mercedes-Benz)
WEST HOLLYWOOD, CA - AUGUST 14: Actress Brittany Snow arrives at the 13th Annual InStyle Summer Soiree at Mondrian Los Angeles on August 14, 2013 in West Hollywood, California. (Photo by Jon Kopaloff/FilmMagic)
LOS ANGELES, CA - JULY 01: Actress Brittany Snow attends a private event at Hyde Lounge hosted by Dell for the Beyonce concert at The Staples Center on July 1, 2013 in Los Angeles, California. (Photo by Jason Merritt/Getty Images for Dell)
TORONTO, ON - JUNE 16: Actress Brittany Snow arrives at the 2013 MuchMusic Video Awards at MuchMusic HQ on June 16, 2013 in Toronto, Canada. (Photo by George Pimentel/WireImage)
WEST HOLLYWOOD, CA - APRIL 16: Actress Brittany Snow attends the premiere of Lifetime's 'Call Me Crazy: A Five Film' at Pacific Design Center on April 16, 2013 in West Hollywood, California. (Photo by Jason Merritt/Getty Images)
LOS ANGELES, CA - APRIL 03: Actress Brittany Snow attends Vogue's 'Triple Threats' dinner hosted by Sally Singer and Lisa Love at Goldie's on April 3, 2013 in Los Angeles, California. (Photo by Donato Sardella/WireImage)
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